Why does my screen keep turning off?

Monitor overheating
One reason the monitor could shut off is because it's overheating. When a monitor overheats, it shuts off to prevent damage to the circuitry inside. Causes of overheating include dust build-up, excessive heat or humidity, or blockage of the vents that allow the heat to escape.
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How do I stop my screen from turning off by itself?

Choose System, then Power & sleep from the right navigation menu. If you're using a laptop, click the drop-down menu under On battery power, turn off after under Screen and select Never. Additionally, select Never under When plugged in, turned off after. Also, do the same for the Sleep section under Power and sleep.
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Why does my screen keeps going off?

Now there can be any number of reasons as to why this problem occurs but we are going to list few of them such as the Loose connection of Monitor cable, Outdated or incompatible graphic card driver, damaged graphic card, incorrect power management and screen saver options, bad monitor, motherboard problem etc.
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How do I stop my screen from turning off and on?

1. Via Display Settings
  1. Pull down the notification panel and tap the little setting icon to go to Settings.
  2. In the Settings menu, go to the Display and look for the Screen Timeout settings.
  3. Tap the Screen Timeout setting and select the duration you want to set or just select “Never” from the options.
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How do I keep my screen active?

Go to Control Panel > Personalization > Change Screensaver. Next to On Resume, Display Logon Screen, uncheck the box. This prevents your system from sleeping.
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My phone Randomly turns off by itself -Fixed



How do I keep screen on?

How Do I Stop My Android Screen From Turning Off?
  1. Open Settings.
  2. Tap Display.
  3. Tap Sleep or Screen timeout.
  4. Select how long you want your Android smartphone or tablet screen to stay on before turning off due to inactivity. The change will take effect immediately. The maximum time allowed is 30 minutes.
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Why does my screen sometimes go black?

Possible reasons for the screen to go black are: Damaged HDMI/VGA port, Malfunctioned Cable, Loose ports. So suppose if your dell monitor goes black randomly then you should first check if cables are tightly fit into ports. If it is fine then check if cables are in working condition by testing them on other devices.
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Why does my screen keep going black for a few seconds?

The main reason that your monitor is going black for a few seconds is that there's a problem with the cables connecting it to your computer. This is typically the issue if your monitor goes black for only a few seconds, and then comes back on later.
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Why does my display keep going black?

This can occur due to bad components, viruses or conflicting software; the exact problem can take a bit of trial and error to narrow down. Remove recently installed software or hardware. Run an up-to-date virus scan. Check the computer for symptoms of overheating: clogged/dusty vents, fan won't turn.
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How do I fix my random black screen?

Solutions for a black screen of death — before logging in
  1. Optimize your startup applications. ...
  2. Check your cables and connections. ...
  3. Unplug all unnecessary accessories. ...
  4. Try a BIOS/UEFI reset and check the boot order. ...
  5. Launch a Windows repair. ...
  6. Boot into Safe Mode. ...
  7. Roll back or update all drivers in Safe Mode.
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Why does my screen keep sleeping?

Solution 1: Check the power settings

If your power settings are configured to sleep in a short time, for example, 5 minutes, you'll experience the computer keeps going to sleep issue. To fix the problem, the first thing to do is check the power settings, and change the settings if necessary.
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How do I stop my phone from blacking out?

So, if your phone's screen has suddenly turned off for no reason, don't panic – simply follow these tips.
  1. Try a Hard Reset. ...
  2. Check the LCD Cable. ...
  3. Perform a Factory Reset. ...
  4. Unstick Jammed Buttons. ...
  5. Clean Out the Charging Port. ...
  6. Update or Delete Buggy Apps. ...
  7. Take Your iPhone or Android to NerdsToGo.
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Why does my Windows 10 screen keep turning off?

For controlling when the screen turns off, select a drop-down under “Screen.” Select “Never” from the menu to prevent Windows from turning off your display. That's it!
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Why does my laptop screen turn off randomly?

Your laptop may automatically turn its screen off after a few minutes of inactivity. This is affected by your power-saving settings or battery level. To change your battery-related display settings click on the battery icon in your taskbar and select “battery settings”.
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Why is my iPhone keep blacking out?

Black screens might appear if your iPhone overheats, encounters a major error, or the screen itself breaks. You should also plug your iPhone into a charger to make sure that it isn't simply out of battery.
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